var mysql      = require('mysql');
var connection = mysql.createConnection({
  host     : 'localhost',
  user     : 'root',
  password : 'root',
  database : 'juzao'
});
 
connection.connect();

module.exports = (sql) => {
    return new Promise(next=>{
        connection.query(sql, function (error, results, fields) {
        if (error) throw error;
        // console.log('The solution is: ', results[0].solution);
        next(results)
        });
        // connection.end();
    })
}